28412980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74771}}^1$

素因数の和:74799

約数の個数: 24

約数和(自身を含む): 62808480

約数和(自身を除く): 34395500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 74771, 149542, 299084, 373855, 747710, 1420649, 1495420, 2841298, 5682596, 7103245, 14206490, 28412980]

約数ペア:

[(1, 28412980), (2, 14206490), (4, 7103245), (5, 5682596), (10, 2841298), (19, 1495420), (20, 1420649), (38, 747710), (76, 373855), (95, 299084), (190, 149542), (380, 74771)]